CN217061893U - High-voltage switch suitable for being quickly connected in live working - Google Patents
High-voltage switch suitable for being quickly connected in live working Download PDFInfo
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- CN217061893U CN217061893U CN202220632303.5U CN202220632303U CN217061893U CN 217061893 U CN217061893 U CN 217061893U CN 202220632303 U CN202220632303 U CN 202220632303U CN 217061893 U CN217061893 U CN 217061893U
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- conducting rod
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Abstract
The utility model discloses a quick access high-voltage switch suitable for live working, which comprises a switch body, an input interface and an output interface, wherein the switch body comprises a switch box body, a three-phase switch, a switch state observation window and a switch fixing part, a conducting rod is arranged at the middle core part of the input interface, an umbrella skirt-shaped insulator is coated outside the conducting rod, one end of the conducting rod penetrates into the switch box body to be connected with the wire inlet end of the three-phase switch, and the end part of the other end of the conducting rod protrudes out of the umbrella skirt insulator; the output interface comprises a quick socket and an insulating plug, one end of the quick socket penetrates through the switch box body to be connected with a wire outlet end of the three-phase switch, and the insulating plug is plugged into the quick socket. The bypass does not have a power failure and equips the lead wire cable can be under the uncharged condition with the utility model discloses a high tension switch's output interface high-speed joint and separation need not to carry out live working, have solved live working and have had the potential safety hazard.
Description
Technical Field
The utility model relates to a be applicable to live working and insert high tension switchgear fast belongs to power switching equipment technical field.
Background
With the improvement of the requirement of social development on the reliability of power supply, the bypass uninterrupted power operation gradually becomes a conventional operation, and more bypass uninterrupted power operation methods and equipment are applied, wherein the bypass uninterrupted power operation equipment is connected to the original power distribution network, which is one of the most common operation projects and is also one of the most key operation projects. The operation method adopted by the existing bypass uninterrupted power supply mainly comprises an insulating rod operation method and an insulating glove operation method, and no matter which method is adopted, live-line operation is required, namely, an operator needs to be in close contact with a live overhead line. During operation, firstly, the insulating layer of the overhead line is stripped, then the drainage wire clamp is temporarily lapped with the overhead line, and the drainage wire clamp is also detached in a charged mode. The operation mode has the advantages of complex flow and high labor intensity, the safety of operators cannot be effectively guaranteed, and the connection reliability of the lap joint cannot be guaranteed. In order to solve the problems, live wire stripping and lap joint are avoided, and switching can be carried out through an outdoor adapter box. Outdoor keysets one end is connected with overhead line, and the other end does not have a power failure and equips the lead wire cable high-speed joint with the bypass. However, the input end of the device is not provided with a breaking switch, and the device cannot be directly connected to a distribution network overhead line in an electrified way for use, and a high-voltage switch must be added on the input side of a power supply. In addition, the equipment is provided with a protective box, the whole size is large, and the equipment is not suitable for being installed on an overhead line pole, so that the safe and quick lapping problem of the uninterrupted equipment and a distribution network overhead line is solved by a public technology at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applicable to live working and insert high tension switchgear fast, avoid the potential safety hazard that operating personnel live working exists, guarantee that equipment connection is reliable, make the bypass not have the operation flow of power failure simpler, convenient.
The purpose of the utility model is realized through the following technical scheme:
a high-voltage switch suitable for hot-line work and capable of being rapidly connected comprises a switch body, an input interface and an output interface, wherein the switch body comprises a switch box body, a three-phase switch, a switch state observation window and a switch fixing part, the three-phase switch is installed in the switch box body, a three-phase switch operating handle is installed on the front face of the outer portion of the switch box body, round holes are formed in the two ends of the operating handle, and the three-phase switch can be operated to be separated and combined through rotating the operating handle; the switch fixing part is arranged on the back surface outside the switch box body and is used for fixing the switch box body on the wire rod; the switch state observation window is arranged on the front surface of the switch box body and used for observing the on-off state of the switch; the input interface is positioned on the outer part of the switch box body, the core part in the middle of the input interface is a conducting rod, the outer part of the conducting rod is coated with an umbrella skirt-shaped insulator, one end of the conducting rod penetrates through the switch box body to be connected with a wire inlet end of the three-phase switch, the end part of the other end of the conducting rod protrudes out of the umbrella skirt insulator, and the protruding part is provided with an external thread; the output interface is located below the outside of the switch box body and comprises a quick socket and an insulating plug, one end of the quick socket penetrates through the switch box body to be connected with a wire outlet end of the three-phase switch, and the insulating plug is plugged into the quick socket.
The purpose of the utility model can be further realized through the following technical measures:
the high-voltage switch suitable for quick access in live working is provided with a live indicating device, wherein the live indicating device comprises an input interface live indicating lamp, an output interface live indicating lamp, an input interface voltage sensor and an output interface voltage sensor; the input interface voltage sensor is arranged at the input interface; the output interface voltage sensor is arranged at the output interface; one end of the input interface voltage sensor is electrically connected with the conducting rod, the other end of the input interface voltage sensor is connected with the input interface electrified indicating lamp in series and then is grounded, one end of the output interface voltage sensor is electrically connected with the quick socket, and the other end of the output interface voltage sensor is connected with the output interface electrified indicating lamp in series and then is grounded.
The switch box body is filled with insulating oil or SF6 gas.
The quick access high-voltage switch is suitable for hot-line work, the type of the quick socket is BTW-KSJT-15-250A, and the type of the insulating plug is PL 1203-07.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a quick access high tension switchgear adopts the joint that has the full skirt insulator as high tension switchgear's input interface, adopts quick socket as high tension switchgear's output interface. The high-voltage switch is pre-installed on a telegraph pole, and the input interface is connected with an overhead line and used as a quick interface for connecting the bypass uninterrupted operation equipment to a power distribution network. When the high-voltage switch is disconnected during use, the bypass is not cut off, the equipment lead cable can be quickly connected and separated with the output interface of the high-voltage switch under the uncharged condition, live working is not needed, and the problems of potential safety hazards, unreliable equipment temporary lap connection and high labor intensity in live working are solved.
(2) The utility model discloses set up on-off state observation window and electrified indicating device, can clearly observe the deciliter state of switch and the electrified condition of input/output interface, avoid operating personnel to pull out with electricity and insert the lead wire cable and cause the occurence of failure.
(3) The utility model discloses a switch box is inside to be filled with insulating oil or SF6 gas enhancement insulation to reduce the overall dimension and the weight of switch, the field installation of being more convenient for.
(4) The utility model discloses an operating handle sets up the round hole, and operating personnel accessible insulating bar keeps away from the switch and divides, combined floodgate operation, and is more convenient, safe.
Drawings
Fig. 1 is a schematic front view of the high-voltage switch for fast access of the present invention;
fig. 2 is a schematic top view of the high-voltage switch of the present invention;
fig. 3 is a schematic diagram of a cross-sectional structure of a switch box body of the fast access high-voltage switch of the present invention;
fig. 4 is a diagram of the installation position of the input interface voltage sensor of the present invention;
fig. 5 is a diagram of the installation position of the output interface voltage sensor of the present invention;
fig. 6 is a circuit configuration diagram of the electric indicating device of the present invention.
1-a switch body; 101-opening and closing the box body; 102-a three-phase switch; 103-an operating handle; 104-on-off state observation window; 105-a switch fixing part; 1051-a fixed support; 1052-a movable support; 2-an input interface; 201-conductive rods; 202-shed insulators; 3-an output interface; 301-quick socket; 302-an insulating plug; 4-a charge indicating device; 401-input interface live indicator light; 402-output interface live indicator light; 403-input interface voltage sensor; 404-output interface voltage sensor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses a be applicable to live working and insert high tension switchgear fast comprises switch body 1, input interface 2, output interface 3.
As shown in fig. 1 to 3, the switch body 1 is composed of a switch case 101, a three-phase switch 102, an operating handle 103, a switch state observation window 104, and a switch fixing member 105. The three-phase switch 102 is installed inside the switch box 101, and the operating handle 103 is installed on the front side of the switch box 101 for operating the on/off of the high-voltage switch. The switch state observation window 104 is provided on the front surface of the switch case 101, is made of a transparent material, and allows the on/off state of the three-phase switch 102 to be observed through the switch state observation window 104. The input interfaces 2 are installed on the upper part of the switch box body 101, and 3 input interfaces are respectively corresponding to the A phase, the B phase and the C phase. The output interfaces 3 are installed at the lower part of the switch box body 101, and 3 output interfaces are respectively corresponding to the A phase, the B phase and the C phase.
The specific embodiment of the input interface 2 is as follows: the middle core part is a conducting rod 201, the outer part of the conducting rod is coated with an umbrella skirt-shaped insulator 202, the umbrella skirt-shaped insulator 202 is made of silicon rubber or porcelain materials and used for insulation, and one end of the conducting rod 201 is connected with the wire inlet end of the three-phase switch 102. The other end of the conducting rod 201 protrudes out of the shed insulator 202, and the protruding part is provided with an external thread, so that access equipment and a cable can be connected conveniently.
The specific embodiment of the output interface 3 is as follows: the quick socket is composed of a quick socket 301 and an insulating plug 302, wherein one end of the quick socket 301 is connected with an outlet end of the three-phase switch 102. The insulation plug 302 is plugged into the quick socket 302 to prevent dust and rain water from entering the quick socket 301. The quick socket 301 may be specifically available in the following models: BTW-KSJT-15-250A; the specific usable types of the insulating plug 302 are: PL 1203-07.
The switch fixing member 105 is composed of a fixing bracket 1051 and a movable bracket 1052. The fixing bracket 1051 is installed on the back of the switch box 101 and connected by welding or bolts. The fixed support 1051 is an arc structure, the inner side of the movable support 1052 is also an arc structure, the fixed support 1051 and the movable support 1052 are matched with each other, and the arc parts of the fixed support 1051 and the movable support 1052 surround the outer side of the wire rod respectively. The fixed support 1051 and the movable support 1052 are fixed tightly by using bolts, namely, the high-voltage switch is fixed on a telegraph pole, and the installation height can be adjusted according to the field requirement.
Preferably, a charging indicating device 4 is provided, where the charging indicating device 4 includes an input interface charging indicating lamp 401, an output interface charging indicating lamp 402, an input interface voltage sensor 403, and an output interface voltage sensor 404; as shown in fig. 4 and 5, the input interface voltage sensor 403 is installed at the input interface; the output interface voltage sensor 404 is mounted at the output interface. As shown in fig. 6, one end of the input interface voltage sensor 403 is electrically connected to the conducting rod 201, the other end of the input interface voltage sensor 403 is connected to the input interface live indicator 401 in series and then grounded, one end of the output interface voltage sensor 404 is electrically connected to the fast socket 301, and the other end of the output interface voltage sensor 404 is connected to the output interface live indicator 402 in series and then grounded. The input interface live indicator lamp 401 and the output interface live indicator lamp 402 are preferably high-brightness LED lamps, and whether the indicator lamps work or not can be observed under the condition of strong light. The input interface live indicator lamp 401 is used for indicating the live state of the input interface 2, the output interface live indicator lamp 402 is used for indicating the live state of the output interface 3, and when the input interface 2 or the output interface 3 is live, the corresponding indicator lamp works. The input interface voltage sensor 403 and the output interface voltage sensor 404 are preferably of the capacitive sensing type, and may be of the HR series.
The switch box body 101 is preferably made of stainless steel, and insulating oil or SF6 gas is filled in the switch box body, so that the insulating property is improved, the safety distance in the switch is reduced, and the external dimension and the weight of the switch are reduced.
The utility model provides a high-voltage switch application method with quick connect function as follows:
(1) an overhead line is reformed in advance, the high-voltage switch provided by the utility model is arranged on a telegraph pole, and three phases of the overhead line are respectively correspondingly connected with three phases of the input interface of the high-voltage switch;
(2) after the high-voltage switch is installed, the high-voltage switch is in a switching-off state, and the insulating plug is installed on the quick socket;
(3) when the high-voltage switch is switched on, whether the high-voltage switch is at the switching-off position or not is checked through the switching-on and switching-off state observation window, and whether the output interface electrified indicating lamp is off or not is observed.
(4) After the confirmation switch is at the opening position and the output interface is not electrified, the insulating plug is taken down, and the lead cable of the bypass uninterrupted equipment is inserted into the quick socket.
(5) And after the lead cable and the bypass uninterrupted power supply equipment are checked to be normal, the high-voltage switch is closed, and the bypass uninterrupted power supply equipment is rapidly connected into the overhead line and used under the uncharged condition.
(6) When separating, the high-voltage switch is separated. After the brake is opened, whether the high-voltage switch is at the opening position or not is checked through the opening and closing state observation window, and whether the output interface electrified indicating lamp is off or not is observed.
(7) After the confirming switch is not electrified at the opening position and the output interface, the lead cable of the uninterrupted power equipment is separated from the quick socket, and the insulating plug is installed on the quick socket.
To sum up, the utility model provides a pair of high voltage switch with quick access function adopts the joint that has the full skirt insulator as the input interface of switch, adopts quick socket as the output interface of switch. When the three-phase switch is disconnected during use, the output interface is quickly connected and separated with a lead cable of the uninterrupted power supply device under the uncharged condition, and the problems of potential safety hazards, unreliable connection and high labor intensity in live working are solved. Additionally, the utility model discloses set up on-off state observation window and electrified indicating device, can observe the deciliter state of switch and the electrified condition of input/output interface effectively, avoid operating personnel to pull out with electricity and insert the lead wire cable and cause the occurence of failure.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (4)
1. A high-voltage switch suitable for hot-line work and capable of being connected quickly comprises a switch body, wherein the switch body comprises a switch box body, a three-phase switch and a switch fixing component, the three-phase switch is installed in the switch box body, a three-phase switch operating handle is installed on the front face of the outer portion of the switch box body, and the three-phase switch can be switched on and off by rotating the operating handle; the switch fixing part is arranged on the back of the outside of the switch box body and used for fixing the switch box body on the wire rod; the switch is characterized by also comprising an input interface, an output interface and an on-off state observation window, wherein the on-off state observation window is arranged on the front surface of the switch box body and is used for observing the on-off state of the switch; the input interface is positioned on the outer part of the switch box body, the core part in the middle of the input interface is a conducting rod, the outer part of the conducting rod is coated with an umbrella skirt-shaped insulator, one end of the conducting rod penetrates through the switch box body to be connected with a wire inlet end of the three-phase switch, the end part of the other end of the conducting rod protrudes out of the umbrella skirt insulator, and the protruding part is provided with an external thread; the output interface is located switch box outside below, and the output interface includes quick socket and insulating stopper, quick socket one end penetrates the switch box and is connected with the leading-out terminal of three-phase switch, insulating stopper fills in on the quick socket, the operating handle both ends all are provided with the round hole.
2. The high-voltage switch suitable for live working and quick access is characterized by further comprising a live indicating device, wherein the live indicating device comprises an input interface live indicating lamp, an output interface live indicating lamp, an input interface voltage sensor and an output interface voltage sensor; the input interface voltage sensor is arranged at the input interface; the output interface voltage sensor is arranged at the output interface; one end of the input interface voltage sensor is electrically connected with the conducting rod, the other end of the input interface voltage sensor is connected with the input interface electrified indicating lamp in series and then is grounded, one end of the output interface voltage sensor is electrically connected with the quick socket, and the other end of the output interface voltage sensor is connected with the output interface electrified indicating lamp in series and then is grounded.
3. The high-voltage switch for quick connection in live working as claimed in claim 1, wherein the switch box body is filled with insulating oil or SF6 gas.
4. The fast-access high-voltage switch for hot-line work of claim 1, wherein said fast socket is of the type BTW-KSJT-15-250A and the insulating plug is of the type PL 1203-07.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220632303.5U CN217061893U (en) | 2022-03-22 | 2022-03-22 | High-voltage switch suitable for being quickly connected in live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220632303.5U CN217061893U (en) | 2022-03-22 | 2022-03-22 | High-voltage switch suitable for being quickly connected in live working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217061893U true CN217061893U (en) | 2022-07-26 |
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ID=82490751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220632303.5U Active CN217061893U (en) | 2022-03-22 | 2022-03-22 | High-voltage switch suitable for being quickly connected in live working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217061893U (en) |
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2022
- 2022-03-22 CN CN202220632303.5U patent/CN217061893U/en active Active
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